Ontologia

Commune · FRA

Saint-Silvain-Bas-le-Roc

France

CfbTemperate, no dry season, warm summer(100 %)

Species observed

1 124

Observations

10 024

Area

15,8km²

Ecological tissue

Sample of 46 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.

ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Saint-Silvain-Bas-le-Roc : 32 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 142 interactions GloBI sur 5 types (connectance 12.6%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
48
Interactions affichées
142
Connectance
0.126
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

1 124 distinct species · 10 024 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 024 obs · 2 cellules
Obs. / cellule
≥ 9 117
9 117–9 116
9 117–9 116
9 117–9 116
< 9 117

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

10,8°C

Annual rain

881mm

Warmest m°

23,4°C

Coldest m°

0,7°C

Elevation: 411 m on average (min 347 m, max 495 m)

Bioclimatic detailsExpert
Annual mean temp.
10,8°C
Annual rain
881mm
Warmest month
23,4°C
Coldest month
0,7°C
Mean alt.
411m
Min
347m
Max
495m
Std. dev.
36m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,9

Org. C

35,2g/kg

Clay

18,3%

Sand

48,8%

Silt

32,9%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: paGLiMaggregated to Creuse

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
55,5g/kg
Clay
17,6%
Sand
50,0%
Silt
32,5%
5–15 cm
pH H₂O
5,9
Org. C
30,5g/kg
Clay
17,3%
Sand
50,2%
Silt
32,5%
15–30 cm
pH H₂O
5,9
Org. C
19,6g/kg
Clay
20,0%
Sand
46,1%
Silt
33,9%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest29.5%
Crops40.2%
Built-up0.7%
Bare soil0.3%
Other (grassland, water…)29.4%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology1 basins · 0 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

6,4km

Basins crossed

1

Max stream order

2

Max drainage

857km²

Discharge in basins

0,1m³/s

Mean precip.

838mm/an

Mean T°

10,2°C

Moisture idx

-0,04

Max snow

5%

Mean runoff

297mm/an

Mean elev. (basins)

392m

Watersheds crossing here

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

65,0%

Pesticides

29,5kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

France-specific data (Phase 2)

ZNIEFF, Natura 2000, INPN protected spaces, BNV-D pesticides, Naïades water quality, SAFRAN fine climate, BRGM lithology — Layer FR to load in Phase 2.